CN102785910B - Accumulation and discharge type hanging conveying line conveying trolley group with one pair of supplementation wheels - Google Patents
Accumulation and discharge type hanging conveying line conveying trolley group with one pair of supplementation wheels Download PDFInfo
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- CN102785910B CN102785910B CN201210262504.1A CN201210262504A CN102785910B CN 102785910 B CN102785910 B CN 102785910B CN 201210262504 A CN201210262504 A CN 201210262504A CN 102785910 B CN102785910 B CN 102785910B
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Abstract
The invention discloses an accumulation and discharge type hanging conveying line conveying trolley group with one pair of supplementation wheels, which comprises a front trolley, a rear trolley and a carrier bar, wherein the carrier bar is connected with the front trolley and the rear trolley to form the conveying trolley group; the front parts and the rear parts of the front trolley and the rear trolley are respectively provided with two pairs of bearing wheels; and a conveying line is provided with a driving device. The accumulation and discharge type hanging conveying line conveying trolley group is characterized in that the front trolley and the rear trolley are respectively provided with one pair of supplementation wheels, the supplementation wheels are positioned between the front bearing wheel and the rear bearing wheel, the supplementation wheels and the treads of the bearing wheels are positioned on the same horizontal plane, and an interval between the supplementation wheels and the bearing wheels is more than or equal to a gap between bearing rails. The accumulation and discharge type hanging conveying line conveying trolley group with one pair of supplementation wheels has an artful design and is cooperated with cross rails for use, the power of a line body driving motor can be lowered, and the cost is lowered.
Description
Technical field
What the present invention relates to is the waggon group of piling suspension travel line with a pair benefit wheel, belongs to travel line technical field.
Background technology
Piling suspension travel line (machine) is the standard product of China's Introduced From Abroad, it can be widely used in the fields such as machine up, Automobile manufacturing, coating project, common are general piling suspension travel line (machine) (WTJ series) and light-duty closed orbit piling suspension travel line (machine) (WFJ series) two types.In the industrial production line of some complexity, often can run into situation about crossing between line body and line body, the solution running into this kind of situation common is:
1) by longer line body cut-through line body, this method increase the length of line body, and improve the power of drive motor, add cost;
2) by the mode of climbing, a line body carries workpiece and runs above barrier line body, this method increase the height of factory building, and line running body has certain danger in higher space.
Piling suspension travel line (machine) use through nearly half world, above two kinds of methods have become fixing Design Mode and the mode of thinking.
Summary of the invention
The waggon group of what the present invention proposed is a kind of piling suspension travel line with a pair benefit wheel, its object will solve the problem how making waggon group by the jagged bearing rail of band, and this breach is just the gap between bearing rail.
Technical solution of the present invention: its structure comprises front dolly, rear dolly, carrier bar, carrier bar connects front dolly and rear dolly composition waggon group, respectively there are two pairs of load-supporting wheel described front dolly and the front and back of rear dolly, travel line there is actuating device, it is characterized in that on front dolly and rear dolly, respectively have a pair benefit wheel, mend wheel between front load-supporting wheel and rear load-supporting wheel, benefit wheel is positioned in same level with the tread of load-supporting wheel, mends the distance between shafts >=bearing rail gap of wheel and load-supporting wheel.
Advantage of the present invention: design ingenious, coordinates cross rail to use together, can reduce the power of line body drive motor, reduce cost.
Accompanying drawing explanation
Fig. 1 is with dolly schematic diagram before a pair benefit wheel.
Fig. 2 is the rear dolly schematic diagram with a pair benefit wheel.
Fig. 3 draws together frame schematic diagram.
Fig. 4 is line body cross rail schematic diagram when crossing.
Fig. 5 is line body when crossing, and the another kind of traction rail is around chain mode schematic diagram.
Fig. 6 is cross rail schematic diagram.
Fig. 7 is layering cross track schematic diagram.
Fig. 8 is that waggon group on No. four suspension conveying lines is by No. three suspension conveying line breach schematic diagrams.
Fig. 9 is the waggon group schematic diagram on No. four suspension conveying lines.
Figure 10 is the waggon group schematic diagram with the free parking type travel line mending wheel.
Figure 11 is bicycle group schematic diagram.
Figure 12 is three car group schematic diagrams.
Figure 13 is four car group schematic diagrams.
In figure, 1 is mend wheel; 2 is load-supporting wheel; 3 is front dollies; 4 is rear dollies; 5 is dolly treads; 6 is waggon groups that a suspension conveying line runs; 7 is waggon groups that No. two suspension conveying lines run; 8 is suspension conveying lines; 9 is No. two suspension conveying lines; 10 is conduction chains; 11 is draw together frame; 12 is adapter shafts of carrier bar; 13 is No. three suspension conveying lines; 14 is No. four suspension conveying lines; 15 is breach of No. three suspension conveying lines; 16 is traction rails of No. three suspension conveying lines, and 17 is waggon groups that No. three suspension conveying lines run, 18 be No. four suspension conveying lines run there is the longer waggon group of adapter shaft, 19 is carrier bars, and 20 is tailgates, and 21 is connecting rods, 22 is middle dollies, and 23 is balladeur trains.
Detailed description of the invention
Contrast accompanying drawing 10, with the waggon group of the piling suspension travel line of a pair benefit wheel, its structure comprises front dolly 3, rear dolly 4, carrier bar 19, carrier bar connects front dolly and rear dolly composition waggon group, respectively there are two pairs of load-supporting wheel the front and back of described front dolly and rear dolly, travel line there is the actuating device driving described waggon group to run, front dolly and rear dolly respectively have a pair benefit wheel 1, mend wheel between front load-supporting wheel and rear load-supporting wheel, mending wheel is positioned in same level with the tread of load-supporting wheel, mends wheel and bearing wheel shaft spacing >=bearing rail gap A.
Dolly 22 in also having between front dolly 3 and rear dolly 4, middle dolly 22 is connected with carrier bar 19 or connecting rod 21 with between front dolly 3 or rear dolly 4, has between two pairs of load-supporting wheel, 2, two pairs of load-supporting wheel and also have a pair benefit wheel 1 before and after middle dolly.
The below of described waggon group is provided with friction plate, front dolly 3 and rear dolly 4 or front dolly 3, to connect with friction plate between rear dolly 4 and middle dolly 22, described actuating device is friction drive device, and friction drive device drives friction plate, and waggon group is run forward.
Described actuating device can be that the hook that pushes away under conduction chain 10 promotes waggon group, and also can be that friction drive device and friction plate promote waggon group, these two kinds of type of drive be prior art.
The hook promotion waggon group carrying out practically mode that pushes away under described conduction chain 10 is: balladeur train 23 operates on traction rail 16, conduction chain 10 is installed in balladeur train 23 lower end, some travel line design manuals claim balladeur train 23 for chain supporting carriage, conduction chain 10 push away hook or cut somebody's hair, pushing away hook or push away hook and run forward for promoting waggon group.
The invention solves the bearing rail how making waggon group by band jagged 15, this breach is just the technical matters in the gap between bearing rail.
The car group be made up of front dolly 3, rear dolly 4 and carrier bar 19 3 part when conventional; When carry object less and lighter time, the bicycle group pattern only having a front dolly 3 and tailgate 20 can be adopted, as shown in figure 11; When carry object larger or heavier time, can adopt front dolly 3, middle dolly 22, rear dolly 4, connecting rod 21 and carrier bar 19 three cars combination (as Figure 12) or many cars combination (as Figure 13).
The waggon group of the described free parking type travel line with benefit wheel, illustrate for universal waggon group in Figure 10, but the range of use with the waggon group of mending the free parking type travel line of taking turns described in the application should include but not limited to general piling suspension travel line (machine), also light-duty closed orbit piling suspension travel line (machine) can be applied to, existing disclosed piling suspension travel line (machine).
As shown in Figure 4,5, 6, the structure of piling suspension travel line cross rail comprises the waggon group 7 that waggon group 6 and No. two suspension conveying lines that a suspension conveying line 8 and No. two suspension conveying lines 9, suspension conveying line run are run; The bearing rail of a suspension conveying line 8 and No. two suspension conveying line 9 intersections is cross-shaped, and the tread of bearing rail is positioned on same tread 5, a suspension conveying line 8 and No. two suspension conveying line 9 intersections jagged 15, described breach 15 is the gap of bearing rail along the length of a described suspension conveying line 8 and No. two suspension conveying line 9 service directions; The waggon group 7 that the waggon group 6 that a suspension conveying line runs and No. two suspension conveying lines run can be run on a described suspension conveying line 8 and No. two suspension conveying lines 9; A described suspension conveying line 8 and No. two suspension conveying lines 9 there is the push-pull mechanism waggon group 7 that the waggon group 6 that a suspension conveying line runs and No. two suspension conveying lines run being pushed through cross rail intersection; The detector switch that the waggon group 6 that the waggon group 7 whether a described suspension conveying line 8 and No. two suspension conveying lines 9 having the intersection for detecting a suspension conveying line 8 and No. two suspension conveying lines 9 to have No. two suspension conveying lines run and a suspension conveying line run is passed through; On a described suspension conveying line 8 and No. two suspension conveying lines 9, the detection signal of with good grounds described detector switch judges whether when the waggon group 7 that the waggon group 6 that last suspension conveying line runs and No. two suspension conveying lines are run stopper out of service.
When the waggon group 6 that a suspension conveying line runs will by cross rail time, detecting No. two suspension conveying lines 9 have by detector switch (as opto-electronic pickup) does not have the waggon group 7 that No. two suspension conveying lines run to pass through cross rail, if had, standard stopper on a suspension conveying line 8 is opened, stop by waggon group 6 that a suspension conveying line runs by stopping, the waggon group 6 now a suspension conveying line run is in the state of accumulating; If no, the standard stopper on No. two suspension conveying lines 9 is opened, and stops the waggon group 7 that No. two suspension conveying lines run to be passed through.
The waggon group 7 that the waggon group 6 that a suspension conveying line runs or No. two suspension conveying lines run can not fallen normal through the breach 15 on cross rail and is solved by following principle: be described for standard WTJ6 type carrying vehicle group below.
The waggon group of standard free parking type suspension conveying line has front dolly and rear dolly, as shown in Figure 1 and Figure 2, front dolly and rear dolly have four load-supporting wheel respectively, before and after each two right, walk in the both sides of bearing rail respectively, between centers between front load-supporting wheel and rear load-supporting wheel is from 2D, and standard WTJ6 type is of a size of 190mm.Increase after a pair benefit take turns between front load-supporting wheel and rear load-supporting wheel, mending wheel and front load-supporting wheel or the distance D afterwards between load-supporting wheel is 95mm, and standard bearing rail gap A is 75mm, when current dolly is by cross rail, first, it is unsettled when load-supporting wheel above runs into gap A, but now mend wheel and support front dolly with rear load-supporting wheel, because dolly before this can smooth operation, then, mend wheel by unsettled during the A of gap, but back and front supporting wheel supports dolly, dolly still can smooth operation, and in like manner, dolly is also like this.
Described push-pull mechanism is mechanism car group being pushed through cross rail, this mechanism can realize by a lot of method, such as push away with cylinder or oil cylinder, standard straight rail, the structure that rear pushing rail also can be utilized to direct transfer, also can utilize climbing structure, can also make friction drive device, due to cylinder or oil cylinder push away, standard straight rail traction more easily understand, specification sheets no longer describes.
Traction rail is around the definition of chain mode:
1, climbing structure is adopted, namely the traction rail of No. two suspension conveying lines 9 is positioned at the top of the traction rail of a suspension conveying line 8, and in inverted U-shaped curve, No. two suspension conveying line 9 traction rails are pressure rail along the inverted U-shaped rear portion of throughput direction, front portion is for Standard Guage or lift rail, as shown in Figure 4.
2, rear pushing rail direct transfers structure, namely conduction chain is adopt the structure that direct transfers of traction rail around chain mode, at cross rail place, turning round respectively around chain of No. two suspension conveying line 9 traction rails of both sides, form closed loop chain with corresponding chain respectively, No. two suspension conveying line 9 traction rails are along throughput direction, it is pressure rail at cross rail rear portion, front portion is for Standard Guage or lift rail, pushing rail transfer mode after namely adopting, as shown in Figure 5.
Above-mentioned climbing structure and the rear pushing rail structure that direct transfers is all adopt along throughput direction, is pressure rail at cross rail rear portion, anterior for Standard Guage or lift that rail realizes.Be standard straight rail with a suspension conveying line 8 below, the traction rail of No. two suspension conveying lines 9 adopts climbing structure to be described, as shown in Figure 4.
The traction rail of No. two suspension conveying lines 9 on cross rail above the traction rail of a suspension conveying line 8 by being the interference in order to prevent traction rail, the line running body rear of No. two suspension conveying lines 9 uses pressure rail, promote the rear dolly 4 of the waggon group 7 that No. two suspension conveying lines run, make the waggon group 7 that No. two suspension conveying lines run have the power run forward always, the waggon group 7 that No. two suspension conveying lines run by after cross rail, the pushing away hook and can promote front dolly 3 and continue to run forward of front.
In like manner, the rear pushing rail structure that direct transfers no longer describes.
In fact, a suspension conveying line 8 in Fig. 4, Fig. 5 is standard straight rails, but the traction rail of a suspension conveying line 8 pushing rail after cross rail place the adopts structure that direct transfers also can be implemented.
The structure that piling suspension travel line also can drive with friction wheel, namely by cross rail place, uses the structure that two friction wheels or friction wheel and contact roller drive.
Waggon group with the free parking type travel line of a pair benefit wheel also can install one piece of friction plate, bearing rail is installed friction wheel and contact roller or two friction wheels.If waggon group has installed friction plate, so whole line delivery all can use friction drive device, thus saves chain drive, and so the noise of workshop will reduce greatly.
Also for ease of solution some line delivery as described in the background art cross difficulty technical matters, the application have also been devised piling suspension travel line layering cross track.But the technical matters solving this difficulty that crosses also must with the bearing rail of above-mentioned waggon group by band jagged 15, and this breach 15 is just the gap between bearing rail.
What No. three suspension conveying lines 13 ran is with mending the waggon group 17 that No. three suspension conveying lines of wheel run, what No. four suspension conveying lines 14 ran is with mending the waggon group 18 with longer adapter shaft of taking turns, this waggon group can be the waggon group with benefit wheel described in the application, also can be standard waggon group, but from mend the waggon group of taking turns or standard waggon group slightly different, the waggon group 18 with longer adapter shaft is the bearing rail position in order to avoid No. three suspension conveying lines 13, as shown in Figure 8.
In order to make simplified form, conduction chain does not show in the drawings, understands with standard free parking type suspension conveying line conduction chain.The distance of mending between wheel and load-supporting wheel is D, preferred plan mends wheel to equal to mend with the distance D1 of last load-supporting wheel the distance D2 taken turns with a rear load-supporting wheel, but, if mend wheel to take turns the distance D2 with a rear load-supporting wheel with the distance D1 ≠ benefit of last load-supporting wheel, as long as so D1 >=bearing rail gap A, D2 >=bearing rail gap A, also can realize this function.
In order to some line delivery solved as described in the background art cross difficulty technical matters, the application devises piling suspension travel line cross rail.But the technical matters solving this difficulty that crosses must with based on above-mentioned " by the bearing rail of band jagged 15, this breach be just the technical matters in the gap between bearing rail to waggon group ".
As shown in Figure 7, the structure of piling suspension travel line layering cross track comprises the waggon group 17 that No. three suspension conveying lines 13 and No. four suspension conveying lines 14, No. three suspension conveying lines run, the waggon group 18 with longer adapter shaft; The bearing rail of No. three suspension conveying lines 13 and No. four suspension conveying line 14 intersections is layering cross-like, No. three suspension conveying lines 13 are in suspension conveying line intersection jagged 15, and described breach 15 is the gap of bearing rail along the length of described No. three suspension conveying line 13 service directions; The waggon group 17 that described No. three suspension conveying lines with benefit wheel run is run on No. three suspension conveying lines 13; The described waggon group 18 with longer adapter shaft is run on described No. four suspension conveying lines 14; Described No. three suspension conveying lines 13 and No. four suspension conveying lines 14 there is the push-pull mechanism for the waggon group that No. three suspension conveying lines run 17 and the waggon group 18 with longer adapter shaft being pushed through layering cross track intersection; Described No. three suspension conveying lines 13 and No. four suspension conveying lines 14 there is the intersection for detecting No. three suspension conveying lines 13 and No. four suspension conveying lines 14 whether to have have the detector switch that the waggon group 17 that the waggon group 18 of longer adapter shaft and No. three suspension conveying lines run is passed through; On described No. three suspension conveying lines 13 and No. four suspension conveying lines 14, the detection signal of with good grounds described detector switch judges whether when the waggon group 17 that first three number suspension conveying line runs and the stopper out of service of the waggon group 18 with longer adapter shaft.
The waggon group 17 that No. three suspension conveying lines of the described piling suspension travel line with benefit wheel run comprises front dolly 3, rear dolly 4, carrier bar 19, wherein carrier bar connects front dolly and rear dolly, respectively there are two pairs of load-supporting wheel the front and back of described front dolly and rear dolly, travel line there is the actuating device that the waggon group 17 that driving No. three suspension conveying lines run is run, front dolly and rear dolly respectively have a pair benefit wheel 1, mend wheel between front load-supporting wheel and rear load-supporting wheel 2, mending wheel is positioned in same level with the tread 5 of load-supporting wheel, mend wheel and bearing wheel shaft spacing >=bearing rail gap.
The front dolly with the waggon group 18 of longer adapter shaft that described No. four suspension conveying lines 14 run and rear dolly respectively there is the adapter shaft 12 of carrier bar, No. three suspension conveying lines 13 are in the width C of the breach of intersection slightly larger than the diameter D of the adapter shaft 12 of waggon group carrier bar, and the length L of adapter shaft 12 exposed portion of carrier bar is slightly larger than No. three suspension conveying line bearing rail depth of section K.
The traction rail 16 of described No. three suspension conveying lines 13 can be adopt straight rail structure or rear pushing rail to direct transfer structure at the push-pull mechanism at layering cross track place, and the traction rail of described No. four suspension conveying lines 14 can be adopt climbing structure or rear pushing rail to direct transfer structure at the push-pull mechanism at layering cross track place.
The bearing rail of No. three suspension conveying lines 13 is positioned at the bearing rail bottom of No. four suspension conveying lines 14, and distance is between the two set to T, and this distance is to allow the position of cutting somebody's hair of driving group, as shown in Figure 8.The bearing rail of No. three suspension conveying lines 13 has breach, and the width of breach is C.
In order to make the waggon group 18 with longer adapter shaft smoothly by No. three suspension conveying lines 13 having the bearing rail of breach 15.The traction rail 16 of No. three suspension conveying lines 13 adopts climbing structure, namely traction rail 16 is positioned at the top of No. four suspension conveying lines 14, in inverted U-shaped curve, with the traction rail making conduction chain avoid No. four suspension conveying lines 14, No. three suspension conveying line 13 traction rails press rail along the inverted U-shaped rear portion use of throughput direction, anterior use Standard Guage, when the front dolly 3 of the waggon group namely on No. three suspension conveying lines 13 runs to inverted U-shaped track place, front dolly 3 runs out of steam, but owing to being pressure rail herein, the pushing away hook and can promote rear dolly 4 of conduction chain, waggon group is made to continue to run forward, waggon group is by after breach, the conduction chain of Standard Guage pushes away the front dolly that hook can promote waggon group to be continued to run forward.In like manner, the transfer mode that the chain of the traction rail 16 of this layering cross track No. three suspension conveying lines 13 also can adopt rear pushing rail to direct transfer carries out around chain, no longer discusses herein.
Claims (4)
1. with the waggon group of the piling suspension travel line of a pair benefit wheel, comprise front dolly (3), rear dolly (4), carrier bar (19), piling suspension travel line cross rail, carrier bar connects front dolly and rear dolly composition waggon group, respectively there are two pairs of load-supporting wheel described front dolly and the front and back of rear dolly, travel line there is actuating device, it is characterized in that on front dolly and rear dolly, respectively have a pair benefit wheel (1), mending wheel is positioned between front load-supporting wheel and rear load-supporting wheel (2), mending wheel is positioned in same level with the tread (5) of load-supporting wheel, mend wheel and bearing wheel shaft spacing >=bearing rail gap, the structure of described piling suspension travel line cross rail comprises a suspension conveying line (8) and No. two suspension conveying lines (9), the waggon group (7) that the waggon group (6) that a suspension conveying line runs and No. two suspension conveying lines run, the bearing rail of a suspension conveying line (8) and No. two suspension conveying line (9) intersections is cross-shaped, and the tread of bearing rail is positioned on same tread (5), a suspension conveying line (8) and No. two suspension conveying line (9) intersections jagged (15), described breach (15) is the gap of bearing rail along the length of a described suspension conveying line (8) and No. two suspension conveying line (9) service directions.
2. the waggon group of the piling suspension travel line with a pair benefit wheel according to claim 1, is characterized in that front dolly being provided with tailgate (20).
3. the waggon group of the piling suspension travel line with a pair benefit wheel according to claim 1, it is characterized in that between front dolly (3) and rear dolly (4), also have middle dolly (22), middle dolly (22) is connected with carrier bar (19) or connecting rod (21) with between front dolly (3) or rear dolly (4), there are two pairs of load-supporting wheel (2) before and after middle dolly, between two pairs of load-supporting wheel, also have a pair benefit wheel (1).
4. the waggon group of the piling suspension travel line with a pair benefit wheel according to claim 3, it is characterized in that the below of described waggon group is provided with friction plate, front dolly (3) and rear dolly (4) or front dolly (3), to connect with friction plate between rear dolly (4) and middle dolly (22), described actuating device is friction drive device, friction drive device drives friction plate, and waggon group is run forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210262504.1A CN102785910B (en) | 2012-07-27 | 2012-07-27 | Accumulation and discharge type hanging conveying line conveying trolley group with one pair of supplementation wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210262504.1A CN102785910B (en) | 2012-07-27 | 2012-07-27 | Accumulation and discharge type hanging conveying line conveying trolley group with one pair of supplementation wheels |
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| Publication Number | Publication Date |
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| CN102785910A CN102785910A (en) | 2012-11-21 |
| CN102785910B true CN102785910B (en) | 2015-07-22 |
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| CN201210262504.1A Active CN102785910B (en) | 2012-07-27 | 2012-07-27 | Accumulation and discharge type hanging conveying line conveying trolley group with one pair of supplementation wheels |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103693399B (en) * | 2013-12-13 | 2015-09-30 | 安徽巨一自动化装备有限公司 | A kind of collecting and sending conveyer is from departing from Accumulation mechanism |
| CN103708176B (en) * | 2013-12-18 | 2015-10-28 | 东风设计研究院有限公司 | Car Body Painting workshop friction conveying dedicated trolley |
| CN106005940A (en) * | 2016-07-18 | 2016-10-12 | 中汽昌兴（洛阳）机电设备工程有限公司 | Conveying system and slings and conveying device of conveying system |
| CN106314447A (en) * | 2016-10-11 | 2017-01-11 | 徐林波 | Electric land wheel track car |
| CN107661974B (en) * | 2017-08-28 | 2019-06-07 | 昌邑恒昌新材料科技有限公司 | A kind of pushing-type accumulates conveying stretched wire air transportion carrier vehicle auto-returned system and its implementation |
| CN107857073B (en) * | 2017-11-22 | 2023-06-13 | 江苏金陵体育器材股份有限公司 | Flexible conveying device for partition conveying |
| CN110053933A (en) * | 2019-04-25 | 2019-07-26 | 山东拓展智能装备制造有限公司 | One kind is electronic to accumulate vehicle group conveyer |
| CN113443376B (en) * | 2021-07-06 | 2022-07-12 | 苏州市巨力输送机械厂 | Accumulation type suspension track front trolley, rear trolley, trolley and conveying equipment |
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| CN2702955Y (en) * | 2004-06-07 | 2005-06-01 | 江苏天奇物流系统工程股份有限公司 | Five-rail conveyer |
| CN101633439A (en) * | 2008-07-24 | 2010-01-27 | 高建飞 | Three-rail heavy accumulation type conveying equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH04342657A (en) * | 1991-05-17 | 1992-11-30 | Kajima Corp | On track travelling linear motor type suspension carriage device |
| JP4147343B2 (en) * | 2002-07-18 | 2008-09-10 | 中西金属工業株式会社 | Trolley conveyor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2702955Y (en) * | 2004-06-07 | 2005-06-01 | 江苏天奇物流系统工程股份有限公司 | Five-rail conveyer |
| CN101633439A (en) * | 2008-07-24 | 2010-01-27 | 高建飞 | Three-rail heavy accumulation type conveying equipment |
| CN202967401U (en) * | 2012-07-27 | 2013-06-05 | 江苏速升自动化装备股份有限公司 | Conveying vehicle group used for power and free suspended conveying line and provided with supplement wheels in pairs |
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